Move c/c/extensions/matcher/ to top level extension dir

extensions/common/matcher/substring_set_matcher_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/common/extensions/matcher/substring_set_matcher.h"
+#include "extensions/common/matcher/substring_set_matcher.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 using extensions::StringPattern;
 using extensions::SubstringSetMatcher;
 
@@ skipping 142 matching lines @@
   matcher.UnregisterPatterns(patterns);
   EXPECT_TRUE(matcher.IsEmpty());
 }
 
 TEST(SubstringSetMatcherTest, TestEmptyMatcher) {
   SubstringSetMatcher matcher;
   std::set<int> matches;
   matcher.Match("abd", &matches);
   EXPECT_TRUE(matches.empty());
 }